2017 intro to post frame building systems for architects miai loss prevention - wick... · concrete...

Wick Buildings, Inc.

405 Walter Road

P.O. Box 38

Mazomanie, WI 53560

Welcome

Iowa Mutual

Insurance Association

800-356-9682

WickBuildings.com

Larry Edema

Have been with Wick Buildings for over 25 years

Vice President of the Corporation

National Sales Manager

Past-chair of the NFBAServed on the Board for over 13 years.


Founded in 1954 by John F. Wick, Sr. (Over 180 employees)

Manufacturer of post-frame building packages

Over 73,720+ buildings completed (08/22/17)

National headquarters in Mazomanie, Wisconsin

Manufacturing facility/training center in Mazomanie, Wisconsin

Over 110 + Builders serving 16 states

Complete in-house Engineering, R&D, and Information Systems

Buildings delivered on Wick tractor-trailers and offloaded


National Headquarters

Mazomanie, Wisconsin


Agricultural45%

Suburban24.5%

Equine3.5%

Commercial27%

Post-Frame Building

Construction Market Share

Introduction to

Post-Frame Building Systems

• Identify the versatility and range of applications for

post-frame building systems

• Identify the structural features that make post-

frame building systems unique

• Introduce the basic design methods for structural

design of post-frame building systems

• Identify the available resources for design of post-

frame building systems

• Identify key performance characteristics of post-

frame building systems

Learning Objectives

POST-FRAME BUILDINGS:

A LIGHT-COMMERCIAL

MAINSTAY

“With so many structural framing options, building

functions, and architectural finishes, post-frame building

systems are limited only by the architect’s imagination and

creativity.”

“Post-frame contributes very well to both the environment

and the value for your dollar.”

—Cheryl Ciecko, ALA AIA LEED AP CSI GGP, technical director,

WoodWorks, a nonprofit initiative of the Wood Products Council

• Versatility and range of

applications

• Structural features that

make these systems

unique

• Key performance characteristics

• Resources for designing post-frame building

systems

LEARNING OBJECTIVES

Many architects, design professionals, code

officials and insurance companies are unfamiliar

with post-frame

• It is not commonly included in traditional

architectural school curricula

• They incorrectly equate post-frame construction

with post-and-beam construction

• They think post-frame is only for agricultural

buildings (i.e., barns, storage facilities, or horse

facilities)

WHAT IS POST-FRAME?

POST-FRAME IS EVERYWHERE

CONVENIENCE STORES

RESTAURANTS

COMMERCIAL OFFICES AND

VETERINARY CLINICS

RELIGIOUS SPACES

PRIVATE HOMES

PUBLIC BUILDINGS

COMMUNITY BUILDINGS

RECEPTION HALLS

RETAIL STORES

POST-AND-BEAM CONSTRUCTION

Continuous Footer

or Pier Foundation

PostPinned

Connection

Girder

(Beam)

Floor

Concrete Pier

POST-AND-BEAM CONSTRUCTION

PostGirder

(Beam)Purlin

THIS IS POST-FRAME

Figure 1: Post-frame building with trusses supported by embedded posts

Primary Frames

Wood ColumnClear Span Truss

Embedded Post Foundation

Truss-to-Post Connection

THIS IS POST-FRAME

Figure 2: Post-frame building mounted on a concrete stem wall

Roof Purlin

Wall Girt

Selection of ceiling & wall coverings for interior finished buildings

Overhangs and decorative mansards

Wainscot options

Column size determined for roof

& wind loads

PRIMARY FEATURES OF POST-FRAME

Truss

Purlins

Sheathing

Wall girts

Wood

columns

PRIMARY FEATURES OF POST-FRAME

Engineered

concrete

footings

Concrete

sized to meet

wind loads

Treated column

anchors to resist

wind uplift

Splash

plank

Frost wall and

footing with any

required

reinforcement

Splash

plank

Columns sized to

meet wind loads

Steel anchor

designed to resist

wind loads

Treated sill plate

Splash

plank

Columns sized to

meet wind loads

Steel anchor

designed to resist

wind loads

Treated sill plate

Thickened edge

Monolithic

concrete slab

THIS IS POST-FRAME PLAN VIEW

Purlin (24” o.c.)

Post

Girder (Header for

openings)

Clear Span Truss

KEY FEATURES OF POST-FRAME

Eave Height Post Height

Clear

Span

Cross section

Post Footing

Post Foundation

Sidewall Post

TrussPurlins

Girts

Splashboard

• Wood sidewall columns

• Wide bay spacing - 8 ft. and greater

• Large clear spans - up to 100 ft.

• Embedded wood columns or concrete piers

• Attached wall and roof sheathing or cladding

form structural shearwall/structural diaphragm

system for resisting lateral loads

KEY FEATURES OF POST-FRAME

• Solid-sawn, glued-laminated, or mechanically

(nail) laminated wood

• Nominal 6x6, 6x8, 8x8 or 8x10 cross section

• Typically spaced 4, 6, 8, 12 or 16 ft. on center

along sidewall

• Any portion of the wood post embedded directly

into the ground and 6 -12 in. above grade is

pressure preservative treated to AWPA-

recommended levels for ground contact

WOOD SIDEWALL COLUMNS

Spliced glued-laminated

column

• 3-ply or 4-ply,

fabricated with 2x

lumber

• Lower portion is

preservative treated

• Upper portion is

untreated

WOOD SIDEWALL COLUMN


Nail-laminated

posts with treated

bottom spliced to

untreated top

Preservative-

treated splash

board


Untreated Post

Concrete Pier

PRESSURE PRESERVATIVE

TREATMENTS

• Posts embedded in

the ground, specify:

o Use category UC4B

or better per AWPA-

U1-09

o e.g., [email protected] pcf

POST FOUNDATION OPTIONS:

EMBEDDED TREATED COLUMNS

Treatment stamp

PRECAST OR CAST-IN-PLACE

REINFORCED CONCRETE PIER

• Pre-cast reinforced concrete

pier with post attached

above grade

• Entire assembly

pre-engineered

• Assembly usually fabricated

in factory and shipped to

site as a single unit

PRE-CAST REINFORCED

CONCRETE PIER

Reinforcement

Cleat

CAST-IN-PLACE CONCRETE

FOUNDATION WALL

Untreated Post

Connection

Hardware

Cast-in-Place

Concrete

Foundation Wall

THICKENED CONCRETE SLAB

• Blow-molded plastic or HDPE

plastic protective barriers

• Provide moisture and insect

protection

• “Enhance protection of copper-

based chemical treated wood

posts or laminated columns”

PROTECTIVE POST COVERS

• Pre-engineered metal plate connected 2x

lumber trusses typically spaced 4 - 8 ft. on

center

• Heavier timber trusses for larger post and truss

spacings and aesthetic requirements

• Solid-sawn wood rafters spaced 2 - 4 ft.

on center for shorter clear spans

• Glulam rafters for larger rafter spacings or clear

spans

ROOF FRAMING

ROOF FRAMING

Trusses

Sidewall

Column

(connected

to trusses)

• Posts are connected directly to the roof framing

if post and roof framing spacing are the same

• Posts and roof framing are often connected to

header beams if post and roof framing spacing

are not the same

POST TO ROOF FRAMING

CONNECTIONS


CONNECTION

Block

Height

Block

Connection is usually a pinned connection (not a moment-resisting connection)


CONNECTION

SOLID SAWN POSTS

1½”Connection with

truss fastened to

slide of post and

with bear block

Connection

with truss

bearing on

notch in post

Typical post-to-truss connection details for a

solid sawn post application

ROOF PURLIN PLACEMENT

Purlins oriented flat

or “on edge,”

depending on truss

and purlin spacing

Purlins placed either

on top or inset

between truss top

chords or inset

between roof rafters

ROOF FRAMING AND PURLINS

TrussPurlin

2 ft o.c.

Connection to

Post Connection

8 ft o.c.

• Typically 2x4 to 2x8 solid sawn lumber, spaced

24 - 32 inches apart

• Oriented “flat” on outside face of wall post for

smaller post and girt spacings and loads

• “On edge” between adjacent posts for larger

loads or post or girt spacings

WALL GIRTS

WALL GIRTS AND SHEATHING

Wall Girt

Sheating

WALL GIRTS AND SHEATHING

SECONDARY FRAMING AND

BRACING

• Corner bracing in upper chords of trusses

• Diagonal bracing for lower chords of trusses

• Lower chord stiffeners for trusses

• Cross-bracing of selected compression webs

• Continuous longitudinal bracing of long

compression webs and chords of trusses

• ANSI/ASAE (ASABE) EP 484 for diaphragm

design of metal-clad, post-frame rectangular

buildings

• ANSI/ASAE (ASABE) EP 486 for shallow post

foundation design

• ANSI/ASAE (ASABE) EP 559 for design

requirements and bending properties for

mechanically laminated columns

POST-FRAME TECHNICAL

RESOURCES

• Structural design

procedures

for post-frame

building systems

– Post Frame

designer’s primary

reference

– NFBA.org

POST FRAME BUILDING

DESIGN MANUAL

• Cost-effective

• Energy efficient

• Code compliance

• Sustainability and greenness

• Design flexibility

• Durability and strength

BENEFITS OF POST-FRAME

Examples of Post-Frame

Applications in

Commercial Buildings

Function/Size: Office Building, 16,000 SF

Location: Grand Rapids, MI

Posts: 3-ply, 2 x 6 glulam posts, 6 ft. o.c.; 0.6 pcf CCA

below grade, 0.4 pcf above ground

Post foundation: Post embedded in ground

Roof framing: 42 to 78 ft. hip roof, 24 in o.c.; OSB sheathing

Wall girts: 2x4, 16” o.c., flat

Insulation: R-19 in walls; R-40 in ceiling

Exterior finish: Glass and cultured stone

Interior finish: Painted drywall and acoustical tile

Cost: $89/SF

Function/Size: Veterinary Clinic, 48’ x 125’, 6,000 SF

Location: Mattoon, IL

Posts: 3-ply, nominal 2 x 6 nail-lam posts, 7’-6” o.c.

Post foundation: Posts set on concrete foundation wall

Roof framing: 48’ clear span trusses, 7’-6” o.c.;

2x4 purlins on edge, 24” o.c.

Wall girts: 2x4 and 2x6, 32” o.c., flat


Exterior finish: Ribbed steel roof panels; brick walls

Interior finish: Drywall and suspended ceilings.

Construction time: 6 months

Cost: $150/SF

Function/Size: Church, 118’ x 168’ ft, 19,824+ SF

Location: Salina, KS

Posts: 4 ply, 2 x 8 nail-lam posts, 7’-6” o.c.

Post foundation: 4 in. x 4 ft. deep cast-in-place concrete foundation wall

Roof framing: Double 2x trusses, 7’-6” o.c.; 2x4 purlins on edge 24” o.c.



Exterior finish: Painted steel siding and brick; wainscot in selected areas

Interior finish: Sheetrock w/acoustical steel in gymnasium area


Cost: $92/SF

Function/Size: Volunteer Fire Company, 80’ x 100’; 8,000 SF

Location: Lexington, NC

Posts: 3-ply, 2 x 8 nail-lam, 8’ o.c.; 0.8 pcf CCA

preservative treatment above/below ground

Post foundation: Posts embedded in ground

Roof framing: Single 2x, 80’ clear span trusses, 8’ o.c.;

2x4 purlins on edge, 24” o.c.

Wall girts/sheathing: 2x4, 30” o.c., flat.


Exterior finish: 26 gauge painted ribbed steel

Interior finish: Steel sheathing in bay; sheetrock and suspended

ceilings in office areas


Cost: $70/SF

Function/Size: Church 22,000 sq.ft.

Location: Kokomo, IN

Posts: 3-ply, nominal 2x6 nail-lam posts, 8’0” o.c.

Post foundation: Posts set on poured concrete footings

Roof framing: 84’ clear span truss (main building), 8”0” o.c.

flat trusses for entry and carport

Purlins on: 2x4s edge, 24” o.c.



Exterior finish: Ribbed steel roof panels

Interior finish: Drywall and suspended ceilings, slate floors


Cost: $99/SF

Applications of Post-Frame

Buildings…

…are limited only by the designer’s

Imagination and Creativity

***

We Are Here To Help…800-356-9682

Visit Wick at WickBuildings.com

Specifications and details available…

Design review and engineering assistance

THANK YOU!

“Building You A Better Future”

WICK BUILDINGS


National Frame Building Association

What is the NFBA?

The NFBA is the only national trade association that

represents post-frame industry professionals

Mission: To advance the post-frame industry

Value Proposition: NFBA shapes the future of post-

frame and provides our members with a measurable

return on investment through networking, trade

shows, technical support, education, research,

codes/standards development and accreditation


• National Frame Building

Association (NFBA)

• NFBA.org

• PostFrameAdvantage.com

• NFBA

8735 W Higgins Road

Suite 300

Chicago, IL 60631

800-557-6957

MORE ABOUT POST-FRAME

THANK YOU!


405 Walter Road, P.O. Box 38

Mazomanie, WI 53560

800-356-9682

WickBuildings.com

Questions and Comments?

2017 intro to post frame building systems for architects miai loss prevention - wick... · concrete...

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